A Brief History of Earth

Have you ever wondered how our planet transformed from a barren rock into the vibrant world we know today? Uncover the epic 4.5-billion-year story of Earth, from its fiery birth to the rise of life, and understand your own place in this grand cosmic narrative. Journey through time with renowned paleontologist Andrew H. Knoll as he reveals the key moments that shaped our world. You'll discover how a series of geological and biological revolutions—from the Great Oxidation Event to mass extinctions—paved the way for humanity's eventual arrival.

Andrew H. Knoll is the Fisher Professor of Natural History at Harvard University and a NASA consultant who has shaped our understanding of early life on Earth. His decades of paleontological fieldwork, from the Siberian arctic to southern Africa, have uncovered key fossils that reveal the planet’s deep history. This firsthand experience exploring ancient rocks and the life they hold allows him to piece together the epic, four-billion-year story of how our world and its inhabitants co-evolved into the Earth we know today.